CA2409928A1 - Ballpoint pen - Google Patents

Ballpoint pen Download PDF

Info

Publication number
CA2409928A1
CA2409928A1 CA002409928A CA2409928A CA2409928A1 CA 2409928 A1 CA2409928 A1 CA 2409928A1 CA 002409928 A CA002409928 A CA 002409928A CA 2409928 A CA2409928 A CA 2409928A CA 2409928 A1 CA2409928 A1 CA 2409928A1
Authority
CA
Canada
Prior art keywords
ink outflow
front edge
ball
rod part
inward protrusions
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002409928A
Other languages
French (fr)
Other versions
CA2409928C (en
Inventor
Masashi Ando
Hideyuki Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pilot Ink Co Ltd
Original Assignee
Pilot Ink Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pilot Ink Co Ltd filed Critical Pilot Ink Co Ltd
Publication of CA2409928A1 publication Critical patent/CA2409928A1/en
Application granted granted Critical
Publication of CA2409928C publication Critical patent/CA2409928C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00—Nibs; Writing-points
    • B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
    • B43K1/086—Nibs; Writing-points with ball points; Balls or ball beds with resilient supporting means for the ball, e.g. springs
    • B43K1/088—Nibs; Writing-points with ball points; Balls or ball beds with resilient supporting means for the ball, e.g. springs with an intermediate element between the resilient supporting means and the ball
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00—Nibs; Writing-points
    • B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
    • B43K1/084—Ball beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/02—Ink reservoirs; Ink cartridges
    • B43K7/08—Preventing leakage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/10—Arrangements for feeding ink to the ball points

Landscapes

  • Pens And Brushes (AREA)

Abstract

An ballpoint pen has: a tip body made of metal having an front edge part and a plurality of inward protrusions; a ball rotatably embraced between the front edge part and the inward protrusions; and a rod part urging the ball forwardly and bringing the ball into close contact with the inner surface of the front edge part, wherein ink outflow gaps are formed each between the adjacent inward protrusions, the rod part is inserted into the central part of the ink outflow gaps, the diameter of a virtual inscribed circle of the central part of the ink outflow gaps is larger than the outside diameter of the rod part, and a minimum dimension of each the ink outflow gap is smaller than the outside diameter of the rod part.
CA002409928A 2001-10-31 2002-10-29 Ballpoint pen Expired - Lifetime CA2409928C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001335317A JP4101499B2 (en) 2001-10-31 2001-10-31 Ballpoint pen
JPP.2001-335317 2001-10-31

Publications (2)

Publication Number Publication Date
CA2409928A1 true CA2409928A1 (en) 2003-04-30
CA2409928C CA2409928C (en) 2007-04-10

Family

ID=19150316

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002409928A Expired - Lifetime CA2409928C (en) 2001-10-31 2002-10-29 Ballpoint pen

Country Status (10)

Country Link
US (1) US7083352B2 (en)
EP (2) EP1308313B1 (en)
JP (1) JP4101499B2 (en)
KR (1) KR100582790B1 (en)
CN (1) CN1243646C (en)
CA (1) CA2409928C (en)
ES (1) ES2393328T3 (en)
HK (1) HK1053287A1 (en)
SG (1) SG123542A1 (en)
TW (1) TWM299654U (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH696635A5 (en) * 2003-12-29 2007-08-31 Premec Sa Ballpoint pen has capillary channel with cylindrical narrow section which on coming in contact with straight portion of spring, prevents it from being inclined with respect to longitudinal axis of pen
US8690464B2 (en) 2007-06-29 2014-04-08 Amara Rahman Durham Marker for optical mark response forms
JP5137752B2 (en) * 2008-08-29 2013-02-06 パイロットインキ株式会社 Ballpoint pen and ballpoint pen manufacturing method
JP5363939B2 (en) * 2009-10-20 2013-12-11 パイロットインキ株式会社 Ballpoint pen and ballpoint pen tip manufacturing method
CN102892590B (en) * 2010-03-08 2015-04-01 三菱铅笔株式会社 Ballpoint pen tip, ballpoint pen refill, and ballpoint pen
JP5576759B2 (en) * 2010-04-30 2014-08-20 パイロットインキ株式会社 Ballpoint pen
JP5522795B2 (en) * 2010-10-20 2014-06-18 パイロットインキ株式会社 Ballpoint pen
KR20130035527A (en) 2011-09-30 2013-04-09 한국전자통신연구원 Micro ballpoint pen and printing apparatus
US20150026904A1 (en) * 2013-07-25 2015-01-29 Andrey Piatetsky Bristle for liquid-reservoir hairbrush
CN103847304B (en) * 2014-03-12 2017-03-01 宁波高新区零零七工业设计有限公司 The continuous refill for ball-point pen of many steel balls
CN104551570A (en) * 2015-01-13 2015-04-29 林大喜 670 pen point processing method and 670 pen point prepared based on method
US9486062B1 (en) * 2015-08-31 2016-11-08 Andrey Piatetsky Bristle for liquid-dispensing hairbrush
KR102640223B1 (en) * 2015-10-09 2024-02-26 미츠비시엔피츠가부시키가이샤 Refills for writing instruments and writing instruments using them
KR102523342B1 (en) * 2015-12-29 2023-04-20 가부시키가이샤 파이롯트 코포레이숀 Writing instrument for forming thermochromic handwriting
CN105667122A (en) * 2016-02-22 2016-06-15 冯文达 Elastic ball-point pen head
CN110497713B (en) * 2019-08-29 2021-05-25 汕头市振泰实业有限公司 Method for processing pen point of water pen

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404537A1 (en) 1977-09-29 1979-04-27 Pilot Ink Co Ltd Ball-point pen with ink guide - has central drilling and radial grooves, and porous feed rod extending from reservoir
GB2065565B (en) 1979-12-21 1983-07-20 Pilot Ink Co Ltd Ball-point pen tip and ball-point pen provided with same
GB2067475A (en) 1980-01-14 1981-07-30 Waite & Son Ltd Ball point pen tip
JPS57193578A (en) 1981-05-25 1982-11-27 Teijin Ltd Treatment of polyester composite fiber
JP2577544B2 (en) 1984-08-08 1997-02-05 新技術事業団 Method for manufacturing semiconductor device
DE3502088C1 (en) 1985-01-23 1989-04-27 Gebr. Schneider Gmbh, 7741 Tennenbronn Ballpoint pen tip
DE3811530C1 (en) 1988-04-06 1989-10-12 Gebr. Schneider Gmbh, 7741 Tennenbronn, De
CN1043625C (en) * 1993-12-06 1999-06-16 三菱铅笔株式会社 Ball-point pen
CA2147916C (en) * 1994-04-29 2005-03-22 Masashi Ando Ballpoint pen tip, manufacturing method therefor, and ballpoint pen using the same
JPH0858292A (en) * 1994-08-22 1996-03-05 Mitsubishi Pencil Co Ltd Tip of correction pen
US5678942A (en) * 1995-02-28 1997-10-21 Mitsubishi Pencil Kabushiki Kaisha Ball-point pen
JP3981165B2 (en) 1996-02-16 2007-09-26 三菱鉛筆株式会社 Applicator
JP3637430B2 (en) * 1996-07-05 2005-04-13 パイロットインキ株式会社 Ballpoint pen
KR200287112Y1 (en) * 1999-05-25 2002-08-30 동아연필 주식회사 Ball pressure structure of knock style tip for property of water ball pen
JP2001191679A (en) * 2000-01-13 2001-07-17 Mitsubishi Pencil Co Ltd Ballpoint pen tip
KR100360613B1 (en) * 2000-03-23 2002-11-13 주식회사 수한 Ballpoint Tip for Liquid Vessel
US6220774B1 (en) * 2000-05-03 2001-04-24 Kotobuki & Co., Ltd. Ballpoint tip for ballpoint liquid container
JP4487432B2 (en) 2001-02-28 2010-06-23 ぺんてる株式会社 Ballpoint pen tip and manufacturing method thereof
JP4305601B2 (en) 2001-10-01 2009-07-29 パイロットインキ株式会社 Ballpoint pen tip

Also Published As

Publication number Publication date
CA2409928C (en) 2007-04-10
EP1308313A2 (en) 2003-05-07
JP2003136877A (en) 2003-05-14
TWM299654U (en) 2006-10-21
EP2014483A1 (en) 2009-01-14
EP1308313B1 (en) 2012-10-17
KR20030035990A (en) 2003-05-09
US20040213629A1 (en) 2004-10-28
SG123542A1 (en) 2006-07-26
CN1243646C (en) 2006-03-01
US7083352B2 (en) 2006-08-01
EP1308313A3 (en) 2008-03-26
JP4101499B2 (en) 2008-06-18
ES2393328T3 (en) 2012-12-20
HK1053287A1 (en) 2003-10-17
CN1418778A (en) 2003-05-21
KR100582790B1 (en) 2006-05-23

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20221031